<?php
/**
 * Smarty plugin
 * @package Smarty
 * @subpackage plugins
 */

/**
 * assemble filepath of requested plugin
 *
 * @param string $type
 * @param string $name
 * @return string|false
 */
function smarty_core_assemble_plugin_filepath($params, &$smarty) {
	static $_filepaths_cache = array ();
	
	$_plugin_filename = $params ['type'] . '.' . $params ['name'] . '.php';
	if (isset ( $_filepaths_cache [$_plugin_filename] )) {
		return $_filepaths_cache [$_plugin_filename];
	}
	$_return = false;
	
	foreach ( ( array ) $smarty->plugins_dir as $_plugin_dir ) {
		
		$_plugin_filepath = $_plugin_dir . DIRECTORY_SEPARATOR . $_plugin_filename;
		
		// see if path is relative
		if (! preg_match ( "/^([\/\\\\]|[a-zA-Z]:[\/\\\\])/", $_plugin_dir )) {
			$_relative_paths [] = $_plugin_dir;
			// relative path, see if it is in the SMARTY_DIR
			if (@is_readable ( SMARTY_DIR . $_plugin_filepath )) {
				$_return = SMARTY_DIR . $_plugin_filepath;
				break;
			}
		}
		// try relative to cwd (or absolute)
		if (@is_readable ( $_plugin_filepath )) {
			$_return = $_plugin_filepath;
			break;
		}
	}
	
	if ($_return === false) {
		// still not found, try PHP include_path
		if (isset ( $_relative_paths )) {
			foreach ( ( array ) $_relative_paths as $_plugin_dir ) {
				
				$_plugin_filepath = $_plugin_dir . DIRECTORY_SEPARATOR . $_plugin_filename;
				
				$_params = array ('file_path' => $_plugin_filepath );
				require_once (SMARTY_CORE_DIR . 'core.get_include_path.php');
				if (smarty_core_get_include_path ( $_params, $smarty )) {
					$_return = $_params ['new_file_path'];
					break;
				}
			}
		}
	}
	$_filepaths_cache [$_plugin_filename] = $_return;
	return $_return;
}

/* vim: set expandtab: */

?>
